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Determination of poly(ethylene glycol) 300 in long chain free fatty acid mixtures by reversed-phase high-performance liquid chromatography |
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| Authors: | Alister D. Muir Martin J. Reaney Andrew J. Aubin |
| Affiliation: | Agriculture and Agri-Food Canada, 107 Science Place, Saskatoon, Sask. S7N 0X2, Canada |
| Abstract: | A rapid sensitive method has been developed for the detection and quantitation of poly(ethylene glycol) 300 (PEG 300) in long-chain free fatty acid mixtures that requires minimal sample preparation. The PEG 300 was separated from the free fatty acids by RP-HPLC using a water–tetrahydrofuran gradient. PEG and the free fatty acids were detected using evaporative light scattering detection. The minimum detectable level of PEG in a free fatty acid mixture was 0.0125%. |
| Keywords: | Poly(ethylene glycol) Fatty acids |
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